mathPamela owns 37.5% of the stock of a corporation and sells 2/3 of her stock at a 10% profit, What percent of this stock does she own after this transaction? a. 12.5% b. 33 1/3% c. 66 2/3% d. 72.5% e. 90% please answer and explain
May 23, 2014

mathJ.C. Nichols department store reports that the average sales on Saturdays is twice that on Thursdays and the average sales on Thursdays is twice that on the other four days.What fraction of the weekly sales are made on Thursdays? a. 1/7 b. 1/5 c. 2/7 d. 1/3 e. 2/5 please ...
May 23, 2014

Maths A levelA large cylinrical tankor radius 40cm contins a liquid and at time,t the depth is h cm. There is a hole in the bottom and liuid leaks out at a rate of 32pi h to power of 0.5. Show at time t, the heighth of the liquid in the tank satisfies the diff. eqn..dh by dt=-0.02 h to ...
May 23, 2014

mathFour similar glass tumblers just fit into a cubical box.The area of the top of the circular cover of any one of the tumblers is 4 pi.The area of each side of the box is a. 16 b. 32 c. 32 pi d. 64 e. 64 pi please answer and explain
May 9, 2014

mathThe ratio of boys to girls in a senior class is 5:3. If 9/10 of the boys may graduate and all the girls may or may not graduate, what is the maximum part of the senior class that may graduate? a. 3/5 b. 7/8 c. 15/16 d. 2/3 e. 27/50 please answer and explain
May 9, 2014

mathGiven a circle A whose diameter is 2 ft.and a rectangular piece of tin B,10ft by 4 ft.Find, correct to the nearest square foot, the tin that will be left after the greatest possible number of circles of the size of A have been cut from B. a. zero b. 1 sq.ft c. 2 sq.ft d. 9 sq....
May 9, 2014

mathA picture 15 inch x 30 inch is surrounded by a mat 2 inch wide.The aea of the mat in swuare inches is a. 60 b. 94 c. 124 d. 128 e. 196 I know the answer is e, but i don't know how to do it, anyone can tell me how to do it, thank you
May 9, 2014

mathA cow is attached to a rope 10 feet long in a pasture bordered by two fence( more than 10 feet long) meeting at an angle of 60 degree. What is the area of the space in which the cow is grazing? a. 20 pi b. 5 pi /3 c. 20 pi /3 d. 50 pi /3 e. 100 pi please answer and explain
May 9, 2014

mathA picture 16" x 24" has a frame 1" wide.Approximately how many times greater than the area of the frame is the area of the picture? a. 5 b. 45 c. 48 d. 80 e. 84 please answer and explain
May 8, 2014

mathAbe can mow the lawn in 15 minutes.Ben can mow the lawn in 20 minutes.Carl can mow the lawn in 30 minutes.They work together for 5 minutes.What part of the lawn was mowed? a. 1/4 b. 2/3 c. 3/4 d. 4/5 e. all of it please answer and explain
May 8, 2014

mathA metal cube with an edge of one foot is melted into a rectangular solid one-eighth of a foot in height. What is the area of the top of the new solid? a. 1/64 sq.ft b. 1/8 sq.ft c. 1/4 sq.ft d. 4 sq.ft e. 8 sq.ft please answer and explain
May 4, 2014

MATHAbe can mow the lawn in 15 minutes. Ben can mow the lawn in 20 minutes.Carl can mow the lawn in 30 minutes.They work together for 5 minutes.What part of the lawn was mowed? a. 1/4 b. 2/3 c. 3/4 d. 4/5 e. all of it please answer and explain
May 4, 2014

mathThe distance between two points is correctly expressed as 720 statute miles or 630 nautical miles. Which of the following most closely approximates the value of one statute mile in terms of nautical miles? a. 0.88 b. 0.89 c. 0.90 d. 1.14 e. 1.25 please answer and explain what ...
May 4, 2014

mathFour similar glass tumblers just fit into a cubical box.The area of the top of the circular cover of any one of the tumblers is 4 pi.The area of each side of the box is a. 16 b. 32 c. 32 pi d. 64 e. 64 pi please answer and explain
May 4, 2014

mathThe iength of a rectangle is 3 inches greater than its width and its area is 88 square inches.An equation that may be used to find the width w of the rectangle is a. 3w^2=88 b. w^2/3=88 c. w^2+3w-88=0 d. w^2-3w=88 e. w=29.3 please answer and explain
May 2, 2014

math On the average 800 pounds of valuable oxides are obtained from every 2 tons of ore mined.What is the ratio of valuable oxides to other material in 100 tons of ore ? a. 1:400 b. 1:5 c. 1:4 d. 2:1 e. 4:1 please answer and explain
May 2, 2014

math How many pints of flour should be used with 3 pints of milk in a recipe which call for 2 part of milk and 3 parts of flour? a. 2 b. 3 c. 4 1/2 d. 5 e. 6 please answer and expalin
May 2, 2014

mathYou have a nickel, a dime, a quarter and a half dollar. A clerk shows you several items, each a different price, any one of which you could buy with your coins without receiving change. What is the largest number of articles he could have shown you? a. 8 b. 10 c. 13 d. 15 e. ...
May 1, 2014

mathA candy dealer makes up a mixture of 3 parts of candy costing him 60 cents a pound with 2 parts of candy costing him 70 cents a pound, and 2 parts of candy costing him 50 cents a pound.At what price per pound should he sell this mixture to make a profit of 25%? a. 60 cents b. ...
May 1, 2014

mathIf the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain
May 1, 2014

mathI had a lot of homework 7 months= 200x7=1400 5 months= 200 year= 1600 1600/100=16 200/16=12.5 so, my answer is d but I am not sure, I want to make sure the answer, Ms Sue
April 27, 2014

mathThe oil burner in a certain house is used to heat the house and to heat the hot water.During the seven cold months when the house is heated, an average of 200 gallons of oil a month is used.In the remaining five months, when the house is not heated, a total of 200 gallons of ...
April 27, 2014

mathUse this rule to find the number of feet of lumber in a log:"Take 4 inches off the diameter of the log, multiply the remainder ( in inches ) by one half ot itself, then by the length of the log in feet, and divide the product by 8." According to this rule, the number...
April 27, 2014

mathIf the area of a circle is twice the area of a triangle whose base is 4 pi and whose altitude is 4, the radius of the circle equals a. square root 32 b. 2 c. 4 d. 8 e. 32 please answer and explain
April 27, 2014

mathThe number of diagonals, d, in a polygon of n sides is given by the formula d=n^2-3n/2. If a polygon has 90 diagonals, how many sides has it? a. 8 b. 10 c. 12 d. 15 e. 20 please answer and explain
April 27, 2014

mathA stick 35 inches long is to be cut so that one piece is 1/4 as long as the other. How many inches long must the shorter piece be? a. 5 b. 7 c. 10 d. 12 e. 15 please answer and explain
April 27, 2014

mathMartin rides to Cambridge 30 miles away from home at the average rate of 10 miles per hour.He returns on a better road that is 50% longer where he can increase his rate by 100%.How much time does he save by taking the better road on his return trip? a. 2 1/4 minutes b. 15 ...
April 27, 2014

mathAt the end of spring training a football coach discharged 1/5 of his squad and asked the remaining 32 boysw to report on Labor Day. The number of boys on the squad at the end of spring training was a. 40 b. 80 c. 100 d. 120 e. 160 please answer and explain
April 27, 2014

mathematicsI don't know what is the question between 1 and 2 , the question 2 has probability (what is that mean)
April 24, 2014

mathematicsThe probability of choosing a 6 at random from a standard deck of playing cars is 1/13.Use this information for 1 and 3. 1. what is the complement of the event of choosing a 6 ? 2. What is the probability of the complement of the event of choosing a 6 ? 3. You roll a standard ...
April 24, 2014

mathThe probability of choosing a 6 at random from a standard deck of playing cars is 1/13.Use this information for 1 and 3. 1. what is the complement of the event of choosing a 6 ? 2. What is the probability of the complement of the event of choosing a 6 ? 3. You roll a standard ...
April 24, 2014

mathThe probability of choosing a 6 at random from a standard deck of playing cars is 1/13.Use this information for 1 and 3. 1. what is the complement of the event of choosing a 6 ? 2. What is the probability of the complement of the event of choosing a 6 ? 3. You roll a standard ...
April 24, 2014

mathThe base of triangle ABC is one half the altitude. The altitude of triangle DEF is one half its base. If both triangles are equal in area, what is the ratio of the altitude of triangle ABC to the altitude of triangle DEF? a. 1:4 b. 1:2 c. 1:1 d. 2:1 e. 4:1 please answer and ...
April 24, 2014

PhysicsJack is driving with a pail of water along a straight pathway at a steady 25 m/s when he passes Jill who is parked in her minivan waiting for him. When Jack is beside Jill, she begins accelerating at the rate of 4.0 × 10−3 m/s2 in the same direction that Jack is ...
April 23, 2014

mathA pulley whose diameter is 9 inches is connected by a belt to another pulley whose diameter is 6 inches. If the larger pulley runs at 1200 revolutions per minute, at how many revolutions per minute does the smaller pulley run? a. 800 b. 1080 c. 1600 d. 1800 e. 2000 please ...
April 23, 2014

mathThe base of triangle ABC is one half the altitude.The altitude of triangle DEF is one half its base. If both triangles are equal in area, what is the ratio of the altitude of triangle ABC to the altitude of triangle DEF ? a. 1:4 b. 1:2 c. 1:1 d. 2:1 e. 4:1 please answer and ...
April 19, 2014

mathIf the hypotenuse of a right triangle is 10 and one leg is 5 square root 3, then the area of the triangle is a. 5 b. 25 square root 3 c. 25 d. 50 square root 3 e. 12.5 square root 3 please answer and explain
April 19, 2014

mathThe length of a rectangle is represented by the numerical value of 5V^3. If the recrtangle is equal in area to a square with a side represented by 4V, what is the width of the rectangle in terms of V?
April 19, 2014

mathThe length of a rectangle is represented by the numerical value of 5V^3. If the recrtangle is equal in area to a squae with a side represented by 4V, what is the width of the rectangle in terms of V? a. 1/80V^5 b. 4/5V c. 16/5V d. 16/5V^2 e. 5V/16 please answer and explain
April 19, 2014

mathABCDEF is a regular hexagon. If the perimeter = 12 find the area of ABCDEF.
April 18, 2014

mathA cow is attached to a rope in a pasture bordered by two fences ( each 60 feet long) which meet at an angle of 24 degree. If the rope attached to the cow is 15 feet long, over how many square feet can the cow graze? a. 2 pi b. 15 pi c. 30 pi d. 45 pi e. 240 pi please answer ...
April 18, 2014

mathRegis has a bag with 8 tiles numbered 1 through 8. He randomly draws one tile from the bag without looking.Which of the following decribes a likely outcome? a. He selects a tile with the number 0. b. He selects a tile with the number 4. c. He selects a tile with a number ...
April 18, 2014